7=-2x2

Simple and best practice solution for 7=-2x2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7=-2x2 equation: 



7=-2x^2

We move all terms to the left:

7-(-2x^2)=0

We get rid of parentheses

2x^2+7=0

a = 2; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·2·7
Δ = -56
Delta is less than zero, so there is no solution for the equation

See similar equations:

| K^2+6k^2-4k-24=0 | | 2u2-8u=0 | | (3x-8)=(4x-19) | | -.65p-5=0.35p | | 8(x-5)-8=31x-232 | | -0.75p-2=9.25p | | 84/3x+11=15 | | Q^2-3q^2-25q+75=0 | | 3(n+3)=-4n+30 | | 3(q^2-3q)=0 | | 12(3y)=64 | | q2–7q+7=0 | | X=100-(.2x) | | (9+d)+10=210 | | h(50)=-8(50)^2+60(50) | | p2+9=–9p | | p^2+9=–9p | | x=25.00-0.09x | | x+57=137+x | | 4w(w+3)=16 | | 5w2+2=9w | | -2u=-4u2 | | -9=-3v2 | | 3x+5+5x-20=180 | | 5u2+4=0 | | 2(a=7)-7+9 | | 6y2+6y=0 | | 6w-2=-2 | | 3x+5=5x-20=180 | | y=15×+10 | | y2-5y+3=0 | | 4x-84-x+78=180 |

Equations solver categories